Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua
dang cong » dung cong
doi lieu » duoc lieu, doi chieu, du lieu
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - canh ((tranh cua) or (manh cua)) dang cong tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - canh ((tranh cua) OR (manh cua)) dang cong tan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - canh ((tranh cua) or (manh cua)) dang cong tan ((toan cao) or (toan tap))*.